AMCC 3WARE 9500S Guia do Utilizador descarregar pdf (Página 121)

Setting Unit Policies

www.3ware.com 111

The page refreshes, and a message at the top confirms the change you

have made.

To set the Continue on Source Error During Rebuild policy in 3BM

1 At the main 3BM screen, select the unit by highlighting it and pressing

Enter.

An asterisk appears in the left-most column to indicate that it is selected.

2Tab to the

Maintain Unit button and press Enter.

3 On the pop-up menu, select

Configure and press Enter.

4In the

Configure Disk Array screen, Tab to the field Continue on

Source Error During Rebuild

5 Press

Enter to display the choices, use the arrow keys to select the

setting you want (Enabled or Disabled), and press

Enter again to choose

it.

Tab to the OK button and press Enter to select it.

You return to the main 3BM screen.

7 When you are finished making changes, press

F8 to save them and exit

3BM.

Enabling and Disabling Queuing for a Unit

Some drives support NCQ (Native Command Queuing), a feature that can

result in increased performance for applications that require a lot of random

access of data (usually server-type applications). This is accomplished by

causing command reordering to be done on the drive.

In order to make use of NCQ, the feature must be enabled at both the drive

and the controller. You can enable support for NCQ on a per-unit basis, as

described below.

You can see whether NCQ is supported and enabled for a particular drive in

the Drive Details window. For details, see “Drive Details window” on

page 193.

Note: Not all drives support NCQ. If a drive does not support NCQ, the policy

setting for the controller is ignored.

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AMCC 3WARE 9500S Guia do Utilizador Página 121